estimate the population proportion p,what is the minimum sample size we need in order to achieve a margin of error no more than 0.01 with a 95% cinfidence level? Similar study in the past suggest an guess of 0.1 for the value of p.

Q: The pulse rates of 153 randomly selected adult males vary from a low of 37 bpm to a high of 101 bpm.…

A:

Q: 2) Assume the p=.03 (3%). How large a sample is needed to estimate the proportion of breast cancer…

A:

Q: Find the necessary sample size. You wish to estimate the mean weight of machine components of a…

A: Formula for the sample size needed to estimate a population mean is

Q: With 99% confidence, maximum error is 0.06 and the proportion p = 0.5. Find the sample size. a. 463…

A: Given data with 99% confidence maximum error is 0.06 and proportion p=0.5

Q: Data from a representative sample were used to estimate that 31% of all computer users in a recent…

A: The preliminary estimate is, p=31%=0.31The defined margin of error is, E=0.05Since the level of…

Q: Using the given margin of​ error, confidence​ level, and likely range for the observed value of the…

A: Obtain the sample size. The sample size is obtained below as follows: The formula of sample size is,

Q: To build a 98% CI for the mean of a population, you take a random sample of 30 values and find s =…

A:

Q: Determine the minimum sample size required when you want to be ​95% confident that the sample mean…

A: We have confidence level = 95%  sample mean is within one unit of the population mean i. e margin of…

Q: An IQ test is designed so that the mean is 100 and the standard deviation is 12 for the population…

A: Givenstandard deviation(σ)=12Marign of error(E)=7c=99%α=1-0.99=0.01α2=0.005zα2=z0.005=2.5758   (from…

Q: Suppose that your sample size was 37, what is P(t<-1.74) (Negative 1.74)?

A: Given information- Sample size, n = 37 t-score = -1.74 We have to find the p (t&lt;-1.74). Degree of…

Q: When determining the sample size for estimating a population proportion for a given level of…

A:

Q: You wish to test the following claim (Ha) at a significance level of a = 0.10. H.:µ = 66.8 H.:µ #…

A:

Q: Given that the population standard deviation is σ = 1, determine the minimum sample size needed in…

A: Solution Refer Standard normal table/Z-table OR use excel function…

Q: Based on historical data at Oxnard College, we believe that 30% of freshman do not visit their…

A: Given Margin of error=E=0.05

Q: a researcher wants to estimate a population proportion with a margin of error of 0.05. What is the…

A: Given that the margin of error is 0.05. Given confidence level is 95% Significance level is 5% From…

Q: Use the given degree of confidence and sample data to construct a confidence interval for the…

A:

Q: A rare birth defect occurs in approximately 0.5% of all cases in males. If we sample all the males…

A: Given information: The total number of males born in 2016 in a specific region is N = 200,000. It is…

Q: Find the minimum sample size required to estimate the mean pulse rate of adult males. We want 90​%…

A: Since we know population standard deviation, use z-distribution to find z-critical value. Find…

Q: Test the claim below about the mean of the differences for a population of paired data at the level…

A: Hypothesis: The null and alternative hypotheses are below: H0:μd≥0Ha:μd&lt;0 Answer: Option B The…

Q: margin of error:0.04; confidence level:95% from a prior study, p is estimated by the decimal…

A: margin of error:0.04; confidence level:95% from a prior study, p is estimated by the decimal…

Q: Given that the population standard deviation is o = 1, determine the minimum sample size needed in…

A:

Q: An IQ test is designed so that the mean is 100 and the standard deviation is 12 for the population…

A: We want to find the sample size (n)

Q: margin of error = 0.025; confidence level = 95%; likely range=0.3 to 0.4 The required sample size is…

A: Given that  Margin of error =E =0.025 95% confidence level.

Q: What sample size is needed to give a margin of error within ±3% in estimating a population…

A:

Q: A null hypothesis states that p%=.3, the observed sample proportion is p=.41 with a sample size of…

A:

Q: What sample size is needed to give a margin of error within ±0.6 in estimating a population mean…

A: Given that, Critical values: Using the z-table, the critical value at 99% confidence level is

Q: A population proportion is to be estimated. Estimate the minimum sample size needed to achieve a…

A: From the provided information, Margin of error (E) = 0.02 Confidence level = 95%

Q: It is known that the population variance (σ2) is 125. At 95% confidence, what sample size should be…

A: Given information- Population variance (σ2) is 125 Confidence interval = 0.95 Significance level (α)…

Q: If you want to be 99% confident of estimating the population proportion to within a sampling error…

A: Answer:- Given, Confidence level, C = 99% = 0.99Error, E = 0.06Population proportion, p = 0.43 Using…

Q: Test the claim below about the mean of the differences for a population of paired data at the level…

A: Step 1:Determine the given variables n=15,dˉ=−2.4,sd​=1.2Claim : μd​≥0Step 2:Hypotheses Ho​:μd​≥0vs…

Q: On a final exam a student was asked to define sampling error. He wrote:  "sampling error is roughly…

A: We know that  Sampling error : It is the difference between sampling statistic and the corresponding…

Q: Test the claim below about the mean of the differences for a population of paired data at the level…

A: Solution: From the given information, d-bar=3.1, sd=8.72 and n=9.

Q: An IQ test is designed so that the mean is 100 and the standard deviation is 16 for the population…

A:

Q: Two samples, each with n = 16 scores, produce an estimated standard error of 4 points and a t…

A: According to the provided information, n=16 SE = 4  t = 2

Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.